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Maths on the Back of an Envelope: Clever ways to (roughly) calculate anything. An entertaining introduction to mental maths and problem solving - The Book Bundle
5 out of 5
by Claire Devoy
2 days ago
Absolutely thrilled I've found a book...
Absolutely thrilled I've found a book store that's cheaper than anywhere else and was delivered within the next 2 days of ordering.

Maths on the Back of an Envelope: Clever ways to (roughly) calculate anything. An entertaining introduction to mental maths and problem solving

by HarperCollins Publisher: Unknown Type
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£10.99
SKU SNG6923 ISBN 9780008444495 Author Eastaway, Rob

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5 out of 5
by Claire Devoy
2 days ago
Absolutely thrilled I've found a book...
Absolutely thrilled I've found a book store that's cheaper than anywhere else and was delivered within the next 2 days of ordering.

Maths on the Back of an Envelope: Clever ways to (roughly) calculate anything. An entertaining introduction to mental maths and problem solving